65374387 has 16 divisors (see below), whose sum is σ = 72213120. Its totient is φ = 58810752.

The previous prime is 65374373. The next prime is 65374391. The reversal of 65374387 is 78347356.

It is not a de Polignac number, because 65374387 - 2²³ = 56985779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65374357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164473 + ... + 164869.

It is an arithmetic number, because the mean of its divisors is an integer number (4513320).

Almost surely, 2^65374387 is an apocalyptic number.

65374387 is a deficient number, since it is larger than the sum of its proper divisors (6838733).

65374387 is a wasteful number, since it uses less digits than its factorization.

65374387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its digits is 423360, while the sum is 43.

The square root of 65374387 is about 8085.4429068543. The cubic root of 65374387 is about 402.8430510267.

The spelling of 65374387 in words is "sixty-five million, three hundred seventy-four thousand, three hundred eighty-seven".